Fault
LEDs on the
battery
Cause
Remedy
when switched
on.
1 LED emits
red light.
The battery is too
warm or too cold.
► Remove the battery.
► Allow the battery to cool down or warm
up.
3 LEDs flash
red.
There is a malfunction
in the hedge trimmer.
► Remove the battery.
► Clean electrical contacts in the battery
compartment.
► Insert battery.
► Switch on the hedge trimmer.
► If 3 LEDs continue to flash red: Do not
use your hedge trimmer and contact your
STIHL servicing dealer for assistance.
The cutting blades do
not run freely.
► Spray both sides of cutting blades with
STIHL resin solvent.
► If 3 LEDs continue to flash red: Do not
use your hedge trimmer and contact your
STIHL servicing dealer for assistance.
3 LEDs light
up red.
Hedge trimmer is too
hot.
► Remove the battery.
► Allow the hedge trimmer to cool down.
4 LEDs fla‐
shing red.
There is a fault in the
battery.
► Remove battery and reinsert it.
► Switch on the hedge trimmer.
► If 4 LEDs continue to flash red: Do not
use the battery; contact a STIHL authori‐
zed dealer.
No electrical contact
between the hedge
trimmer and battery.
► Remove the battery.
► Clean electrical contacts in the battery
compartment.
► Insert battery.
Hedge trimmer or bat‐
tery is damp.
► Allow hedge trimmer or battery to dry.
Hedge trimmer
cuts out during
operation.
3 LEDs light
up red.
Hedge trimmer is too
hot.
► Remove the battery.
► Allow the hedge trimmer to cool down.
There is an electrical
fault.
► Remove battery and reinsert it.
► Switch on the hedge trimmer.
Hedge trimmer's
running time is
too short.
The battery is not fully
charged.
► Recharge the battery fully as described in
the User Manual for the STIHL AL 101,
301, 301-4, 500 chargers.
The battery life has
been exceeded.
► Replace battery.
STIHL connected
app is unable to
find the battery
with .
Bluetooth
®
radio inter‐
face on the battery or
mobile device is deac‐
tivated.
► Activate Bluetooth
®
radio interface on the
battery or mobile device.
Distance between bat‐
tery and mobile
device is too long.
► Reduce distance, 19.1.
► If the battery still cannot be found with
the STIHL connected app: Contact a
STIHL authorized dealer for assistance.
18.2
Product Support and Assis‐
tance on Use
Product support and assistance on use are avail‐
able from STIHL servicing dealers.
For contacts and other information, please visit
https://support.stihl.com or www.stihl.com.
19 Specifications
19.1
STIHL HSA 100.0 hedge trim‐
mers
–
Permitted batteries:
–
STIHL AP
–
STIHL AR
19 Specifications
English
0458-020-9601-A
33